With a population of around 1,400, Merewether Heights sits in New South Wales, Australia. The city operates in the Australian Eastern time zone.
In 2025, Merewether Heights recorded an average annual temperature of 66°F. The hottest temperatures reached 106°F in December; the coolest were 41°F in July. Total precipitation for the year was 61 inches, with the wettest month being January.
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